Other components are stringers, bracing frames, end posts, etc. There are three verticals and two "square" diagonal braces in each panel. The main component of a Bailey truss is the panel that is (measured pin center to pin center) 10 ft long by 4 ft 9 inch tall. Several examples of extant Bailey Bridges are shown below. Postwar, surplus Bailey Bridge components were sold for private and public use. The US Army licensed the bridge design and began to use it during the war.
The first military installation occurred in Italy in 1943, and production was ramped up for use during and after D-Day. There are components that allow for panels to be "ganged" next to each other (up to three wide) and stacked double tall allowing the same pieces to be used for a light, short bridge or a long, heavy load bridge. The Bailey Bridge uses prefabricated, modular, rectangular panels that can be carried by 6 men and transported in military 3-ton trucks and do not require cranes for assembly. The prototype Bailey Bridge was assembled in 1943 and remains in place today. He was knighted in 1946 in recognition of his bridge design.īailey was a modeler, and presented a model of his temporary bridge design to his superiors in the British War Office, who saw some potential for his idea. He studied at The Leys School in Cambridge and at Sheffield University. Sir Donald Coleman Bailey (1901-1985) was a civil engineer from Yorkshire who invented the Bailey Bridge.
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